PINPOINT TEST AI: DTCs C1A99:14, C1A99:17, C1A99:2F, C1A99:62 OR C1A99:65
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- AI1 CHECK THE BRAKE PEDAL AND BRACKET
- Inspect the brake pedal position switch and brake pedal assembly. Verify there is no brake pedal pressure unintentionally applied due to incorrect brake pedal position switch or brake pedal installation.
- Are the brake pedal position switch and brake pedal OK?
- Yes : GO to AI2.
- No : REPAIR or INSTALL new components as necessary. REFER to HYDRAULIC BRAKE ACTUATION .
- AI2 CHECK FOR DTCs C1A99:14, C1A99:17, C1A99:2F, C1A99:62, C1A99:65 TO RETURN
- Ignition ON.
- Using a scan tool, clear all CMDTCs
- Test drive the vehicle at speeds greater than 32 km/h (20 mph).
- Enter the following diagnostic mode on the scan tool: Self Test - ABS Module.
- Is DTC C1A99:14, C1A99:17, C1A99:2F, C1A99:62 or C1A99:65 present?
- Yes : GO to AI3.
- No : The system is operating correctly at this time. The concern may have been caused by air trapped in the hydraulic brake system. CLEAR the DTCs. REPEAT the self-test.
- AI3 CHECK FOR CORRECT ABS MODULE-TO-HCU TORQUE VALUES
- Ignition OFF.
- Verify all ABS module-to-HCU fasteners are tightened to the correct torque specifications. Refer to Specifications .
- Are the ABS module-to-HCU fasteners tightened to the correct torque specification?
- Yes : INSTALL a new HCU. REFER to Hydraulic Control Unit (HCU) . GO to AI4.
- No : TIGHTEN all ABS module-to-HCU fasteners. CLEAR the DTCs. REPEAT the self-test.
- AI4 CHECK FOR CORRECT ABS MODULE OPERATION
- Ignition ON.
- Using a scan tool, clear all CMDTCs
- Test drive the vehicle at speeds greater than 32 km/h (20 mph).
- Enter the following diagnostic mode on the scan tool: Self Test - ABS Module.
- Is DTC C1A99:14, C1A99:17, C1A99:2F, C1A99:62 or C1A99:65 present?
- Yes : INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
- No : Fault is corrected. CLEAR all DTCs. TEST the system for normal operation. Return the vehicle to the customer.